«Armed pro-Russian insurgents in Luhansk say they are ready for police raid». Kyiv Post. Businessgroup LLC [Luhansk], 12-04-2014 [Consulta: 1r febrer 2022]. «... their top aim is federalization of the country through all-Ukrainian referendum, one step from secession from the nation. 'It should be a federation in the borders of Ukraine, but with the right to separate if people demand this,' Kariakin said, confident that 85 percent of people in Luhansk Oblast, Ukraine's seventh most populous with 2.2 million people, support him.»
«Istanbul Document 1999». Organization for Security and Co-operation in Europe, 19-11-1999. Arxivat de l'original el 1 juny 2014. [Consulta: 21 juliol 2015].
«ФСБ сообщила о попадании снаряда в погранпункт на границе с ДНР» (en rus). [Consulta: 24 febrer 2022]. «выпущенным с Украины снарядом полностью разрушен российский пограничный пункт в Ростовской области в 150 метрах от границы, пострадавших нет, сообщили РБК в ФСБ. [At 9:50 a.m., a projectile fired from Ukraine completely destroyed a Russian border checkpoint in the Rostov region, 150 meters from the border, there were no casualties, the FSB told RBC.]»
«Putin warns Nato over expansion». The Guardian, 04-04-2008 [Consulta: 15 febrer 2022]. «The Russian president, Vladimir Putin, today repeated his warning that Moscow would view any attempt to expand NATO to its borders as a 'direct threat'.»
«Istanbul Document 1999». Organization for Security and Co-operation in Europe, 19-11-1999. Arxivat de l'original el 1 juny 2014. [Consulta: 21 juliol 2015].
